/*
 * Copyright 2010-2025 Hyland Software, Inc. and its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.activiti.engine.impl.calendar;

import java.util.Date;
import org.activiti.engine.ActivitiException;
import org.activiti.engine.api.internal.Internal;
import org.activiti.engine.runtime.ClockReader;

@Internal
public class CycleBusinessCalendar extends BusinessCalendarImpl {

    public static String NAME = "cycle";

    public CycleBusinessCalendar(ClockReader clockReader) {
        super(clockReader);
    }

    public Date resolveDuedate(String duedateDescription, int maxIterations) {
        try {
            if (duedateDescription != null && duedateDescription.startsWith("R")) {
                return new DurationHelper(duedateDescription, maxIterations, clockReader).getDateAfter();
            } else {
                CronExpression ce = new CronExpression(duedateDescription, clockReader);
                return ce.getTimeAfter(clockReader.getCurrentTime());
            }
        } catch (Exception e) {
            throw new ActivitiException("Failed to parse cron expression: " + duedateDescription, e);
        }
    }

    public Boolean validateDuedate(String duedateDescription, int maxIterations, Date endDate, Date newTimer) {
        if (endDate != null) {
            return super.validateDuedate(duedateDescription, maxIterations, endDate, newTimer);
        }
        // end date could be part of the chron expression
        try {
            if (duedateDescription != null && duedateDescription.startsWith("R")) {
                return new DurationHelper(duedateDescription, maxIterations, clockReader).isValidDate(newTimer);
            } else {
                return true;
            }
        } catch (Exception e) {
            throw new ActivitiException("Failed to parse cron expression: " + duedateDescription, e);
        }
    }
}
